#ifndef __CLI_H
#define __CLI_H

#include <stdint.h>
#include <stdbool.h>
#include "FreeRTOS.h"
#include "fr_timers.h"
#include "settings_api.h"

/* Dimensions the buffer into which input characters are placed. */
#define cmdMAX_INPUT_SIZE			144
#define MAX_SESSIONS	2

typedef enum{
	CLI_AUTH = 0,
	CLI_AUTH_PASSW,
	CLI_CMD,
	CLI_CHANGE_PWD,
	CLI_CHANGE_PWD_ACK
} input_state_t;

typedef enum {
	STATE_UNUSED,
	STATE_NORMAL,
	STATE_IAC,
	STATE_OPT,
	STATE_SB,
	STATE_OPTDAT,
	STATE_SE,
	STATE_CLOSE,
} conn_state_t;

/**
 * A cli connection structure.
 */
typedef struct {
	TimerHandle_t RepeatSensorInfoTimer;
	conn_state_t state;
//	uint8_t code;
	char buf[cmdMAX_INPUT_SIZE];
	uint_fast8_t bufptr;
	char prev_cmd[cmdMAX_INPUT_SIZE];
	unsigned char optdata[cmdMAX_INPUT_SIZE];
	uint8_t optlen;
	input_state_t input_state;
	user_level_t user_id;
	char login[MAX_WEB_LOGIN_LEN];
	uint8_t login_err;	// the number of failed password entry attempts
//	bool active_conn;
	bool flag_telnet_ip_option;	// wtf is this

	//send( cli_states[num_timer].num_connect, pcOutputString, strlen( ( const char * ) pcOutputString ), 0 );
	void (*send)(intptr_t fd, const char *str, unsigned len);
	intptr_t num_connect;	// fd
} cli_state_t;

void cli_init(void);
void cli_getchar(cli_state_t *s, char incoming_char);
cli_state_t *alloc_state(void);
void cli_hello(cli_state_t *cli_state);
user_level_t cli_auth_user(char *user, char *password);

#endif